OpenTechnical

OT-2026-000103332

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103332) never changes.

Identity and time

Publication numberOT-2026-000103332 · never reused
Internal UUID01a0aea4-be3f-7fe4-bb15-900854937c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103332
StatusPUBLIC

Content hashes

Canonical text54c50fe145724b45cbf49d08c900e4550259e0edc6b86402bf4191440a287aec
Markdown721cc9b4b09e5fae2f1ae5f856eedce540b35662068c614b68feee13d3a52f31
PDF
Publication pagef1b310408c941f87392c0a5157fce052a613064717d0c458631fe8d81c2ab053
Manifest82e795850ce0ea8729624754fc5279f1be2541cf9e135cdae3e273cd9e743944

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewE8lA32tjby6cSA0b3wj8K+/Dd6aGgOZFZFbnAVawX3NfyplpkfWm/Aqack9rC28Dyqrd9yqlH2fJPIZQ/jtBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:35.290369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103332
observed f1b310408c941f87392c0a5157fce052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.270978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103332/manifest.json
observed 82e795850ce0ea8729624754fc5279f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.252248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103332/publication.md
observed 721cc9b4b09e5fae2f1ae5f856eedce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.232647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103332/publication.txt
observed 54c50fe145724b45cbf49d08c900e455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.